256590600

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:532

約数の個数: 192

約数和(自身を含む): 916608000

約数和(自身を除く): 660017400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 199, 200, 210, 280, 300, 307, 350, 398, 420, 525, 597, 600, 614, 700, 796, 840, 921, 995, 1050, 1194, 1228, 1393, 1400, 1535, 1592, 1842, 1990, 2100, 2149, 2388, 2456, 2786, 2985, 3070, 3684, 3980, 4179, 4200, 4298, 4605, 4776, 4975, 5572, 5970, 6140, 6447, 6965, 7368, 7675, 7960, 8358, 8596, 9210, 9950, 10745, 11144, 11940, 12280, 12894, 13930, 14925, 15350, 16716, 17192, 18420, 19900, 20895, 21490, 23025, 23880, 25788, 27860, 29850, 30700, 32235, 33432, 34825, 36840, 39800, 41790, 42980, 46050, 51576, 53725, 55720, 59700, 61093, 61400, 64470, 69650, 83580, 85960, 92100, 104475, 107450, 119400, 122186, 128940, 139300, 161175, 167160, 183279, 184200, 208950, 214900, 244372, 257880, 278600, 305465, 322350, 366558, 417900, 427651, 429800, 488744, 610930, 644700, 733116, 835800, 855302, 916395, 1221860, 1282953, 1289400, 1466232, 1527325, 1710604, 1832790, 2138255, 2443720, 2565906, 3054650, 3421208, 3665580, 4276510, 4581975, 5131812, 6109300, 6414765, 7331160, 8553020, 9163950, 10263624, 10691275, 12218600, 12829530, 17106040, 18327900, 21382550, 25659060, 32073825, 36655800, 42765100, 51318120, 64147650, 85530200, 128295300, 256590600]

約数ペア:

[(1, 256590600), (2, 128295300), (3, 85530200), (4, 64147650), (5, 51318120), (6, 42765100), (7, 36655800), (8, 32073825), (10, 25659060), (12, 21382550), (14, 18327900), (15, 17106040), (20, 12829530), (21, 12218600), (24, 10691275), (25, 10263624), (28, 9163950), (30, 8553020), (35, 7331160), (40, 6414765), (42, 6109300), (50, 5131812), (56, 4581975), (60, 4276510), (70, 3665580), (75, 3421208), (84, 3054650), (100, 2565906), (105, 2443720), (120, 2138255), (140, 1832790), (150, 1710604), (168, 1527325), (175, 1466232), (199, 1289400), (200, 1282953), (210, 1221860), (280, 916395), (300, 855302), (307, 835800), (350, 733116), (398, 644700), (420, 610930), (525, 488744), (597, 429800), (600, 427651), (614, 417900), (700, 366558), (796, 322350), (840, 305465), (921, 278600), (995, 257880), (1050, 244372), (1194, 214900), (1228, 208950), (1393, 184200), (1400, 183279), (1535, 167160), (1592, 161175), (1842, 139300), (1990, 128940), (2100, 122186), (2149, 119400), (2388, 107450), (2456, 104475), (2786, 92100), (2985, 85960), (3070, 83580), (3684, 69650), (3980, 64470), (4179, 61400), (4200, 61093), (4298, 59700), (4605, 55720), (4776, 53725), (4975, 51576), (5572, 46050), (5970, 42980), (6140, 41790), (6447, 39800), (6965, 36840), (7368, 34825), (7675, 33432), (7960, 32235), (8358, 30700), (8596, 29850), (9210, 27860), (9950, 25788), (10745, 23880), (11144, 23025), (11940, 21490), (12280, 20895), (12894, 19900), (13930, 18420), (14925, 17192), (15350, 16716)]